Senior Software Engineer - JVM Language Clients
location_onRemote
Job Description
About ClickHouse
Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast‑growing private cloud companies. With more than 3,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real‑time analytics, data warehousing, observability, and AI workloads.
The company’s sustained, accelerating momentum was recently validated by a $400M Series D financing round. Over the past three months, customers including Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted the platform or expanded existing deployments. These customers join an established base of AI innovators and global brands such as Meta, Cursor, Sony, and Tesla.
We’re on a mission to transform how companies use data. Come be a part of our journey!
Work location
Work model: Remote
Remote
Key Responsibilities
- check_circleEngage with external partners on interoperability and roadmap alignment
- check_circleOwn the Java client and JDBC driver end-to-end including roadmap and API design
- check_circleDrive throughput and latency improvements across the client and server
- check_circlePartner with the Connectors team to fulfill driver requirements for Kafka and Spark
- check_circleWrite design docs, PR descriptions, and RFCs to shape technical investment
- check_circleEngage with community issues and external contributors in an open-source manner
Requirements
- verified5+ years software engineering experience with data-intensive systems
- verifiedDeep Java and JVM expertise including memory model, GC tuning, and profiling
- verifiedExperience building or extending libraries for other engineers
- verifiedStrong grasp of database fundamentals: SQL, query execution, and OLAP workloads
- verifiedSolid instincts on JVM concurrency: executors, reactive streams, backpressure, connection pooling
- verifiedExcellent written communication skills
- verifiedGenuine open-source disposition and comfort with public design discussions